From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Eibach Subject: [PATCH v3] hwmon: (ads1015) Add devicetree documentation Date: Thu, 3 Mar 2011 13:32:37 +0100 Message-ID: <1299155557-13715-1-git-send-email-eibach@gdsys.de> References: <20110303115151.GF3649@pengutronix.de> Return-path: In-Reply-To: <20110303115151.GF3649@pengutronix.de> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-doc@vger.kernel.org, rdunlap@xenotime.net, devicetree-discuss@lists.ozlabs.org, w.sang@pengutronix.de, khali@linux-fr.org, Dirk Eibach List-Id: devicetree@vger.kernel.org Signed-off-by: Dirk Eibach --- Changes since v1: - removed sysfs from description - explain channels Changes since v2: - Replaced 'accessable' by 'accessible'. Documentation/devicetree/bindings/i2c/ads1015.txt | 29 +++++++++++++++++++++ 1 files changed, 29 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/i2c/ads1015.txt diff --git a/Documentation/devicetree/bindings/i2c/ads1015.txt b/Documentation/devicetree/bindings/i2c/ads1015.txt new file mode 100644 index 0000000..985e24d --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/ads1015.txt @@ -0,0 +1,29 @@ +ADS1015 (I2C) + +This device is a 12-bit A-D converter with 4 inputs. + +The inputs can be used single ended or in certain differential combinations. + +For configuration all possible combinations are mapped to 8 channels: +0: Voltage over AIN0 and AIN1. +1: Voltage over AIN0 and AIN3. +2: Voltage over AIN1 and AIN3. +3: Voltage over AIN2 and AIN3. +4: Voltage over AIN0 and GND. +5: Voltage over AIN1 and GND. +6: Voltage over AIN2 and GND. +7: Voltage over AIN3 and GND. + +Optional properties: + + - exported-channels : exported_channels is a bitmask that specifies which + channels should be accessible by the user. + +Example: +ads1015@49 { + compatible = "ti,ads1015"; + reg = <0x49>; + exported-channels = <0x14>; +}; + +In this example only channel 2 and 4 would be accessible by the user. -- 1.5.6.5